§ 64.621   Interoperability and portability.

   (a) General obligations of VRS providers. (1) All VRS users must be
   able to place a VRS call through any of the VRS providers' services,
   and all VRS providers must be able to receive calls from, and make
   calls to, any VRS user.

   (2) A VRS provider may not take steps that restrict a user's unfettered
   access to another provider's service, such as providing degraded
   service quality to VRS users using VRS equipment or service with
   another provider's service.

   (3) All VRS providers must ensure that their VRS access technologies
   and their video communication service platforms are interoperable with
   the VRS Access Technology Reference Platform, including for
   point-to-point calls. No VRS provider shall be compensated for minutes
   of use involving their VRS access technologies or video communication
   service platforms that are not interoperable with the VRS Access
   Technology Reference Platform.

   (4) All VRS providers must ensure that their VRS access technologies
   and their video communication service platforms are interoperable with
   the Neutral Video Communication Service Platform, including for
   point-to-point calls. No VRS provider shall be compensated for minutes
   of use involving their VRS access technologies or video communication
   service platforms that are not interoperable with the Neutral Video
   Communication Service Platform.

   (b) [Reserved]

   [ 78 FR 40609 , July 5, 2013]

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